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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
using Rebus;
using Rebus.Configuration;
using Rebus.Messages;
using Rebus.RabbitMQ;
using System;
using System.Collections.Generic;
using System.IO;
using Thrift.Protocol;
using Thrift.Transport;
/*
* The server implements the BasicMathServer service .
* All results are sent back to the client via the BasicMathClient service
*/
namespace RebusSample.Server
{
// handler to be registered with Rebus
class MathRequestCallHandler : IHandleMessages<MathRequestCall>
{
public void Handle(MathRequestCall message)
{
// Thrift protocol/transport stack
var stm = new MemoryStream(message.rawBytes);
var trns = new TStreamTransport(stm, null);
var prot = new TBinaryProtocol(trns);
// create a processor and let him handle the call
var hndl = new MathRequestsHandler();
var proc = new BasicMathServer.Processor(hndl);
proc.Process(prot, null); // oneway only
}
}
// serves incoming calculation requests
internal class MathRequestsHandler : BasicMathServer.Iface
{
public void Ping(long value)
{
var client = new MathResponseClient("localhost");
client.Pong(value);
}
public void DoTheMath(int arg1, int arg2)
{
var client = new MathResponseClient("localhost");
if( arg2 != 0)
client.FourResults( arg1+arg2, arg1*arg2, arg1-arg2, arg1/arg2);
else
client.ThreeResults( arg1+arg2, arg1*arg2, arg1-arg2);
}
}
// provides the client-side interface for calculation responses
internal class MathResponseClient : BasicMathClient.Iface
{
private BuiltinContainerAdapter MQAdapter;
public MathResponseClient(string server)
{
MQAdapter = new BuiltinContainerAdapter();
Configure.With(MQAdapter)
.Transport(t => t.UseRabbitMqInOneWayMode("amqp://" + server)) // we need send only
.MessageOwnership(o => o.FromRebusConfigurationSection())
.CreateBus().Start();
}
public void SerializeThriftCall(Action<BasicMathClient.Iface> action)
{
// Thrift protocol/transport stack
var stm = new MemoryStream();
var trns = new TStreamTransport(null, stm);
var prot = new TBinaryProtocol(trns);
// serialize the call into a bunch of bytes
var client = new BasicMathClient.Client(prot);
if (action != null)
action(client);
else
throw new ArgumentException("action must not be null");
// make sure everything is written to the MemoryStream
trns.Flush();
// send the message
var msg = new MathResponseCall() { rawBytes = stm.ToArray() };
MQAdapter.Bus.Send(msg);
}
public void Pong(long value)
{
SerializeThriftCall(client =>
{
client.Pong(value);
});
}
public void ThreeResults(int added, int multiplied, int suctracted)
{
SerializeThriftCall(client =>
{
client.ThreeResults(added, multiplied, suctracted);
});
}
public void FourResults(int added, int multiplied, int suctracted, int divided)
{
SerializeThriftCall(client =>
{
client.FourResults(added, multiplied, suctracted, divided);
});
}
}
}
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